| SSSmith Steps, INC. | Live Oak | FL | — | ◇ UNVERIFIED |
| STSmith Textile Apron | Gastonia | NC | — | ◇ UNVERIFIED |
| SASmk Associates INC. | Astoria | NY | — | ◇ UNVERIFIED |
| SLSnider Lumber Products CO | Turlock | CA | — | ◇ UNVERIFIED |
| SSSoil Sollutions Company | Shipshewana | IN | — | ◇ UNVERIFIED |
| SSSoil Solutions CO. | Elkhart | IN | — | ◇ UNVERIFIED |
| SDSole Design Cabinetry | Red Boiling Springs | TN | — | ◇ UNVERIFIED |
| SISoliman Investments III LLC | Columbus | OH | — | ◇ UNVERIFIED |
| SSSol-pro/lilyblad Site | Tacoma | WA | — | ◇ UNVERIFIED |
| SUSomething Unique Designs | Littleton | CO | — | ◇ UNVERIFIED |
| SRSonoco Reels | Hartselle | AL | — | ◇ UNVERIFIED |
| SRSouthbridge Recycling & Disposal Park | Southbridge | MA | — | ◇ UNVERIFIED |
| SHSoutheastern Hardwoods, Inc. | Swannanoa | NC | — | ◇ UNVERIFIED |
| SISouthern Indiana Sawmill LLC | Greenville | IN | — | ◇ UNVERIFIED |
| SMSouthern Moulding LLC | Kennesaw | GA | — | ◇ UNVERIFIED |
| SNSouthern New Hampshire Fire Wood, LLC | Hudson | NH | — | ◇ UNVERIFIED |
| STSouthern Timber Products LLC | Ruther Glen | VA | — | ◇ UNVERIFIED |
| SWSouthern Wood Suppliers, INC. | Oglethorpe | GA | — | ◇ UNVERIFIED |
| SRSouthwest Renewable Brown Street Mill | Snowflake | AZ | — | ◇ UNVERIFIED |
| SMSpace Manufacturers Corporation | Geneva | NY | — | ◇ UNVERIFIED |
| SWSpecialized Wood Products | Elkhart | IN | — | ◇ UNVERIFIED |
| SISpecialty, INC. | Homedale | ID | — | ◇ UNVERIFIED |
| SLSpecialty Lumber Company ** Inactive ** | Wilsons Mills | NC | — | ◇ UNVERIFIED |
| SWSpecialty Wood Products | Lodi | CA | — | ◇ UNVERIFIED |
| SCSpectrum Custom Design, INC | Desert Hot Springs | CA | — | ◇ UNVERIFIED |
| SESpectrum Energy Georgia, LLC | Adel | GA | — | ◇ UNVERIFIED |
| SLSpencer LLC Monroe | Monroe | WA | — | ◇ UNVERIFIED |
| SCSpencer's Custom Wood LLC | Elgin | TX | — | ◇ UNVERIFIED |
| SOSpirit of the Woods, Inc | Jackman | ME | — | ◇ UNVERIFIED |
| SSS& S Wood Products | Independence | WI | — | ◇ UNVERIFIED |
| SIStan's Industrial Manufacturing LLC | Lyndon Station | WI | — | ◇ UNVERIFIED |
| STStarwood Trim INC | Frisco | TX | — | ◇ UNVERIFIED |
| SLStashwood LLC | San Tan Valley | AZ | — | ◇ UNVERIFIED |
| SAStavola Asphalt CO INC | Old Bridge Twp | NJ | — | ◇ UNVERIFIED |
| SKSteigerwald's Kitchen & Bath, INC. | Grove City | PA | — | ◇ UNVERIFIED |
| SCStella-jones Corporation | Durant | MS | — | ◇ UNVERIFIED |
| SCStella-jones Corporation Bellingham | Bellingham | WA | — | ◇ UNVERIFIED |
| SPStem Products | Magazine | AL | — | ◇ UNVERIFIED |
| SWStephan Wood Prod INC | Grayling | MI | — | ◇ UNVERIFIED |
 Sterling Site Access Solutions | Lufkin | TX | — | ◇ UNVERIFIED |
| SASteves and Sons Door Company | San Antonio | TX | — | ◇ UNVERIFIED |
| SCStewart Custom Wood Works, INC. | Alpharetta | GA | — | ◇ UNVERIFIED |
| SPStewarts Point Woodworks LLC | Cazadero | CA | — | ◇ UNVERIFIED |
| SFStillwater Forest Products | Kalispell | MT | — | ◇ UNVERIFIED |
| SLStimson Lumber Company, Hauser | Post Falls | ID | — | ◇ UNVERIFIED |
| SWSTL Woodworking Inc. | Saint Louis | MO | — | ◇ UNVERIFIED |
| SWStockton Wood Shavings Company | French Camp | CA | — | ◇ UNVERIFIED |
| SWStock Woodwork | Laredo | TX | — | ◇ UNVERIFIED |
| SFStone Forest Industries, INC. | Happy Camp | CA | — | ◇ UNVERIFIED |
| SPStorage Pro Manufacturing LLC | Creola | AL | — | ◇ UNVERIFIED |
